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10-01-2014, 03:52 PM #3
- Join Date
- Jan 2014
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Print center should be the first x an y movement after homing. Look for the G28 instruction, which homes the printer, then look for the next X and Y movement instruction - that should be to move the head to the center of the print bed ready for the print to begin.
Code:M104 S195 ; set temperature G21 ; set units to mm G90 ; absolute distance mode M92 E882 ; E axis steps per mm M301 W125 G1 Z5 F200 ; Set Z to 5mm G28 ; home M109 S185 ; Set extruder temp G1 X5 Y7 F9000 ; Set x to 5; Y to 7 mm M109 S195 ; wait for temperature to be reached G90 ; use absolute coordinates G21 ; set units to millimeters G92 E0 ; reset extrusion distance M83 ; use relative distances for extrusion M107 G1 Z0.300 F7800.000 G1 X54.892 Y31.286
Unfortunately, there generally isn't a gcode instruction that sets the print bed size (that gets sent to the printer by Slic3r in the normal course of things). Can you not measure it? If all else fails, double the X and Y values given in the move-to-center instruction.
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05-20-2024, 12:56 AM in Tips, Tricks and Tech Help